Girder \Gird"er\, n. [From Gird to sneer at.]
One who girds; a satirist.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48
Girder \Gird"er\, n. [From Gird to encircle.]
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1. One who, or that which, girds.
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2. (Arch. & Engin.) A main beam; a stright, horizontal beam
to span an opening or carry weight, such as ends of floor
beams, etc.; hence, a framed or built-up member
discharging the same office, technically called a compound
girder. See Illusts. of Frame, and Doubleframed floor,
under Double.
[1913 Webster]
Bowstring girder, Box girder, etc. See under Bowstring,
Box, etc.
Girder bridge. See under Bridge.
Lattice girder, a girder consisting of longitudinal bars
united by diagonal crossing bars.
Half-lattice girder, a girder consisting of horizontal
upper and lower bars connected by a series of diagonal
bars sloping alternately in opposite directions so as to
divide the space between the bars into a series of
triangles. --Knight.
Sandwich girder, a girder consisting of two parallel wooden
beams, between which is an iron plate, the whole clamped
together by iron bolts.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48
girder
n : a beam made usually of steel; a main support in a structure
WordNet (r) 2.0
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